explainOperation · AWS IoT SiteWise MCP Server MCP

WHAT IT DOES

What explainOperation does on AWS IoT SiteWise MCP Server

AI agents call explainOperation as a supporting operation in AWS IoT SiteWise MCP Server workflows.

WHY IT NEEDS A POLICY

Why explainOperation needs a policy

The tool name suggests it explains or describes an operation, which would be a Read-type activity. However, with no description available, it's unclear what this tool does. 'Explain' operations typically retrieve metadata or documentation without side effects, but confidence is low due to the empty description.

From the tool's definition Tool name is 'explainOperation' and description is empty or uninformative.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

explainOperation Rate-limited

explainOperation gets a rate cap, and everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "explainOperation": {
      "limits": [
        {
          "counter": "explainoperation_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

SET A RULE FOR THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches AWS IoT SiteWise MCP Server, so you can run agents against it safely.

FAQ

Questions about explainOperation

What does the explainOperation tool do? +

explainOperation. It is categorised as a Other tool in the AWS IoT SiteWise MCP Server MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on explainOperation? +

Register the AWS IoT SiteWise MCP Server MCP server in PolicyLayer and add a rule for explainOperation: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches AWS IoT SiteWise MCP Server. Nothing to install.

What risk level is explainOperation? +

explainOperation is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit explainOperation? +

Yes. Add a rate_limit block to the explainOperation rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block explainOperation completely? +

Set action: deny in the PolicyLayer policy for explainOperation. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides explainOperation? +

explainOperation is provided by the AWS IoT SiteWise MCP Server MCP server (awslabs.aws-iot-sitewise-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.